/*
* JBoss, Home of Professional Open Source
* Copyright 2010 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.util;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Collection;
import java.util.HashSet;
public class FileLookupFactory {
public static FileLookup newInstance() {
ClassLoader cl = FileLookup.class.getClassLoader();
if (cl.getClass().getName().equals("org.osgi.framework.BundleReference"))
return new OsgiFileLookup();
else
return new DefaultFileLookup();
}
public static class DefaultFileLookup extends AbstractFileLookup implements FileLookup {
protected DefaultFileLookup() {
}
@Override
protected InputStream getAsInputStreamFromClassLoader(String filename, ClassLoader appClassLoader) {
for (ClassLoader cl : Util.getClassLoaders(appClassLoader)) {
if (cl == null)
continue;
try {
return cl.getResourceAsStream(filename);
} catch (RuntimeException e) {
// Ignore this as the classloader may throw exceptions for a valid path on Windows
}
}
return null;
}
@Override
protected URL getAsURLFromClassLoader(String filename, ClassLoader userClassLoader) {
for (ClassLoader cl : Util.getClassLoaders(userClassLoader)) {
if (cl == null)
continue;
try {
return cl.getResource(filename);
} catch (RuntimeException e) {
// Ignore this as the classloader may throw exceptions for a valid path on Windows
}
}
return null;
}
@Override
protected Collection<URL> getAsURLsFromClassLoader(String filename, ClassLoader userClassLoader) throws IOException {
Collection<URL> urls = new HashSet<URL>(4);
for (ClassLoader cl : Util.getClassLoaders(userClassLoader)) {
if (cl == null)
continue;
try {
urls.addAll(new EnumerationList<URL>(cl.getResources(filename)));
} catch (RuntimeException e) {
// Ignore this as the classloader may throw exceptions for a valid path on Windows
}
}
return urls;
}
}
}